A 55-year-old man presents with fever, tachycardia, hypotension, and suspected sepsis from pneumonia. After receiving 30 mL per kg of crystalloid, his mean arterial pressure remains 58 mm Hg. What is the next best step in management?AStart norepinephrine infusionBAdminister dopamine as first-line vasopressorCBegin epinephrine as initial vasopressorDGive additional 30 mL per kg of fluids before vasopressorsEInitiate phenylephrine as preferred agentCheck my answer